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A temperature-tunable random laser

Author

Listed:
  • Diederik S. Wiersma

    (European Laboratory for Nonlinear Spectroscopy and Istituto Nazionale per la Fisica della Materia)

  • Stefano Cavalieri

    (European Laboratory for Nonlinear Spectroscopy, Università di Firenze, and Istituto Nazionale per la Fisica della Materia)

Abstract

Random lasers have fascinating emission properties that lie somewhere between those of a conventional laser and a common light-bulb. We have created a random laser that can be brought above and below its threshold for laser emission by small changes in its temperature, thereby creating a light source with a temperature-tunable colour spectrum. As a single random laser can be made as small as a grain of tens of micrometres in diameter, we expect our device to find application in photonics, temperature-sensitive displays and screens, and in remote temperature sensing.

Suggested Citation

  • Diederik S. Wiersma & Stefano Cavalieri, 2001. "A temperature-tunable random laser," Nature, Nature, vol. 414(6865), pages 708-709, December.
    • Handle: RePEc:nat:nature:v:414:y:2001:i:6865:d:10.1038_414708a
    DOI: 10.1038/414708a
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